You need to install "Internet Authentication Service" on your server. You can do this through "add remove windows components" Then you setup a profile for your firewall, all you should need to configure is the IP address and the Pre-Shared Key.

You have a choice on how you choose users that are allowed to authenticate. You can set the attribute on each individual user in AD (under the dial-in tab), or you can setup a remote access policy in IAS to allow a certain group to authenticate, and then place the users in that group.

I am not sure how to configure your firewall to communicate with your RADIUS server, but remember when you are doing the configuration to use the same pre-shared key that you setup in the IAS profile.

How does "Novell NetWare Network Software tie into this? I ask because that's one of the zones this question is posted to.

When you ask about RADIUS integration with your Linux firewall, what exactly are you looking for? There are many versions and flavors of RADIUS. The only benefit to using the RADIUS capabilities of IAS is its integration with AD.

You didn't ask about directory-service or LDAP integration, just RADIUS integration - does that mean you have a RADIUS server already installed/configured or does it mean you don't know exactly what you're looking for beyond RADIUS?

RADIUS stands for Remote Authentication Dial In User Service and is an IETF standard for user authentication to allow public access to private resources. The most popular RADIUS server in the world is FreeRADIUS. RADIUS is a major component of WPA 802.1x wireless authentication, in addition to the more-common remote-access authentication service. IAS is Microsoft's proprietary implementation of RADIUS.

If you have a RADIUS server and you're just asking how to go about integrating it with your firewall, the answer is far different from having a firewall that can integrate with RADIUS and wanting to know what RADIUS server to use, or wanting to provide identity-based access via a form of RADIUS/firewall integration, and what to use depends also on what directory service you use, whether you want to use Windows services "on the edge" and whether direct integration with a platform directory is necessary or if LDAP integration is sufficient or even preferred, which also is flavored by whether you have an enterprise-class directory service like eDirectory or a platform-specific directory like AD.

The HP utility "HP Lights-Out Online Configuration Utility for Windows Server 2003/2008" could be of great use when it comes to remotely configure a HP servers ILO WITHOUT rebooting the server.
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